Memos
PostHog
| Feature | ||
|---|---|---|
| Pricing | Free / from $0/mo | Free / from $0/mo |
| Free Plan | ✓ Yes | ✓ Yes |
| Rating | 4.4 / 5 | 4.5 / 5 |
| Best For | self-hosters, quick-note-takers, journaling, privacy-focused-users | developers, startups, product-teams, privacy-conscious-companies |
| Founded | 2022 | 2020 |
| Markdown | ✓ | ✗ |
| Tags | ✓ | ✗ |
| Search | ✓ | ✗ |
| Api | ✓ | ✗ |
| Docker Deployment | ✓ | ✗ |
| Embed Resources | ✓ | ✗ |
| Timeline View | ✓ | ✗ |
| Product Analytics | ✗ | ✓ |
| Session Replay | ✗ | ✓ |
| Feature Flags | ✗ | ✓ |
| Experiments | ✗ | ✓ |
| Surveys | ✗ | ✓ |
| Data Warehouse | ✗ | ✓ |
| Self Hosting | ✗ | ✓ |
✓ Memos Pros
- Completely free and open-source
- Lightweight and fast (single binary deployment)
- Twitter-like quick note interface
- Full data ownership with self-hosting
✗ Memos Cons
- No real-time collaboration features
- Limited organizational tools (no folders/hierarchy)
- Self-hosting required (no managed cloud option)
✓ PostHog Pros
- All-in-one analytics replacing multiple tools
- Generous free tier (1M events/month)
- Self-hostable for full data control
- Feature flags and experiments built-in
✗ PostHog Cons
- Can be complex to set up properly
- Self-hosting requires infrastructure maintenance
- Less polished UI than Amplitude
The Verdict
Memos is built for self hosters and quick note takers, with a focus on markdown and tags. PostHog targets developers and startups and leads with product-analytics and session-replay.
Both tools come in at similar price points ($0/mo for Memos, $0/mo for PostHog), so pricing won't make the decision for you.
Both offer free plans, so you can test each with your real workflow before committing to a subscription.
This is a genuinely close comparison. If you can, sign up for both free trials (where available) and run a one-week test with your actual team tasks before deciding.